The most common and most likely answer to this crossword clue is the 9 letter word COMMISSAR
I've seen this crossword clue in The Daily Telegraph
C
O
M
M
I
S
S
A
R
More clues leading to the result COMMISSAR
- Firm facing damage probed by young female official
- Soviet official’s junior chef – mostly reckless revolutionary
- Official order given to young lady in vehicle
- Foreign minister, male admitted to racism so stupidly
- As Soviet official, I’m cross, am mad
- Soviet official finds person of merit with girl in vehicle
- USSR official giving order to girl in vehicle
- Party official who organised Oscars around 2001
- Russian officer found Marco misbehaving and hugging young lady
Buddy explains!

The straight part
We know that "Official" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case official = commissar.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does COMMISSAR mean?
COMMISSAR noun- An official of the Communist Party, often attached to a military unit, who was responsible for political education.
- In the early Soviet Union, the head of a commissariat.